[1] Humanitas Univ, Dept Biomed Sci, I-20090 Milan, Italy
[2] Univ Lorraine, Dept Gastroenterol, Univ Hosp Nancy, F-54500 Vandoeuvre Les Nancy, France
[3] Univ Lorraine, Inserm NGERE U1256, Univ Hosp Nancy, F-54500 Vandoeuvre Les Nancy, France
[4] IRCCS, Humanitas Clin & Res Ctr, IBD Ctr, Dept Gastroenterol, I-20089 Milan, Italy
[5] Ferring Int Ctr, CH-1162 St Prex, Switzerland